| Darby to Cortona | 4,296.15 mi (6,913.99 km) |
| Darby to Cosenza | 4,628.91 mi (7,449.51 km) |
| Darby to Cossato | 4,054.98 mi (6,525.86 km) |
| Darby to Costa Volpino | 4,129.45 mi (6,645.70 km) |
| Darby to Creazzo | 4,198.03 mi (6,756.08 km) |
| Darby to Crema | 4,126.60 mi (6,641.12 km) |
| Darby to Cremona | 4,149.20 mi (6,677.49 km) |
| Darby to Crevalcore | 4,210.94 mi (6,776.86 km) |
| Darby to Crispiano | 4,622.59 mi (7,439.34 km) |
| Darby to Crosia | 4,641.64 mi (7,470.00 km) |
| Darby to Crotone | 4,675.80 mi (7,524.97 km) |
| Darby to Cuneo | 4,065.34 mi (6,542.53 km) |
| Darby to Cuorgne | 4,038.15 mi (6,498.77 km) |
| Darby to Cusano Milanino | 4,099.26 mi (6,597.12 km) |
| Darby to Cutro | 4,671.79 mi (7,518.51 km) |
